/*
 * wordcount.cpp
 * Copyright (C) 2011 Liu Xinyu (liuxinyu95@gmail.com)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#include <map>
#include <string>
#include <iostream>

using namespace std;

int main(int, char** ) {
    map<string, int> dict;
    string s;
    while (cin >> s)
        ++dict[s];
    for(auto it = dict.begin(); it != dict.end(); ++it)
        cout << it->first << ": " << it->second << "\n";
}
